CVE-2025-8556Published

Github.com/cloudflare/circl: circl-fourq: missing and wrong validation can lead to incorrect results

Exact source revision recorded 27 Oct 2026 07:22:55 UTC. It does not establish the source's current position. Latest evidence.

Recorded JSON

cve-program · CVE-2025-8556

Published

A flaw was found in CIRCL's implementation of the FourQ elliptic curve. This vulnerability allows an attacker to compromise session security via low-order point injection and incorrect point validation during Diffie-Hellman key exchange.

Source published: 6 Aug 2025 08:48:17 UTC
Source modified: 27 Oct 2026 05:42:41 UTC
Observed here: 27 Oct 2026 07:22:55 UTC
Source terms: CVE Program Terms of Use

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CVSS 3.1 · 3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N